Abuse covers the misuse of accounts, services, and systems for fraud, intrusion, harassment, or other harmful cyber activity.
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Abuse in cybersecurity means using systems, networks, or services in unauthorized or harmful ways, such as sending spam, hijacking accounts, or launching Distributed Denial of Service (DDoS) attacks. It often exploits weak authentication, misconfigurations, or gaps in policies to gain access or disrupt services. Common abuse techniques include credential stuffing, phishing, and using compromised infrastructure to amplify attacks.
Managing abuse is critical because it can degrade service availability, expose sensitive data, and damage organizational reputation. Security teams focus on detecting unusual activity patterns, enforcing multi-factor authentication, and applying rate limits to reduce automated abuse. Timely abuse reporting and automated detection tools help identify and block malicious behavior, making abuse mitigation a key part of maintaining secure and reliable systems.
Cybersecurity vendors say threat actors' abuse of traffic distribution systems (TDS) is becoming more complex and sophisticated — and much harder to detect and block.
Trend Micro uncovered a method that nation-state threat actors are using to target victims via the Windows .Ink shortcut file extension.
At least four different threat actors have been identified as involved in an updated version of a massive ad fraud and residential proxy scheme called BADBOX, painting a picture of an interconnected cybercrime ecosystem
OKX Web3 has decided to suspend its DEX aggregator services to implement security upgrades following reports of abuse by the notorious North Korean Lazarus hackers, who recently conducted a $1.5 billion crypto heist. [...]
From March 17, Ofcom will enforce rules requiring tech platforms operating in the UK to remove illegal content, including child abuse material